avocado> var Graph = require("graph").Graph;

avocado> g = new Graph("graph", "vertices", "edges");
Graph("vertices", "edges")

avocado> v1 = g.addVertex();
Vertex(<graph>, "153246:8712055")

avocado> v2 = g.addVertex();
Vertex(<graph>, "153246:8843127")

avocado> v1.addOutEdge(v2);
Edge(<graph>, "3999653:8974199")

avocado> v1.getOutEdges();
[ Edge(<graph>, "3999653:8974199") ]